/*
 *    Copyright (C) 2014 MongoDB Inc.
 *
 *    This program is free software: you can redistribute it and/or  modify
 *    it under the terms of the GNU Affero General Public License, version 3,
 *    as published by the Free Software Foundation.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU Affero General Public License for more details.
 *
 *    You should have received a copy of the GNU Affero General Public License
 *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 *    As a special exception, the copyright holders give permission to link the
 *    code of portions of this program with the OpenSSL library under certain
 *    conditions as described in each individual source file and distribute
 *    linked combinations including the program with the OpenSSL library. You
 *    must comply with the GNU Affero General Public License in all respects for
 *    all of the code used other than as permitted herein. If you modify file(s)
 *    with this exception, you may extend this exception to your version of the
 *    file(s), but you are not obligated to do so. If you do not wish to do so,
 *    delete this exception statement from your version. If you delete this
 *    exception statement from all source files in the program, then also delete
 *    it in the license file.
 */

#pragma once

#include <vector>

#include "mongo/logger/log_component.h"

namespace mongo {

    class BSONObj;
    template <typename T> class StatusWith;

namespace logger {

    /**
     * One parsed LogComponent and desired log level
     */
    struct LogComponentSetting {
        LogComponentSetting(LogComponent c, int lvl) : component(c), level(lvl) {}

        LogComponent component;
        int level;
    };

    /**
     * Parses instructions for modifying component log levels from "settings".
     *
     * Returns an error status describing why parsing failed, or a vector of LogComponentSettings,
     * each describing how to change a particular log components verbosity level.
     */
    StatusWith< std::vector<LogComponentSetting> > parseLogComponentSettings(
            const BSONObj& settings);

}  // namespace logger
}  // namespace mongo
